Biden's brain is operating at approximately 34% of that of a fully functional adult. In my professional opinion, a mix of dementia, alzheimers, a calcium deposit on the medula oblongata, and terrible case of hemmorrhoids (I minored in Proctology) are the culprit. Twenty-fifth likely to be invoked. My prognosis is that will occur within 6-10 months. The probability is 95% +/- 3% To summarize - what a medical mess.